## Most recent change of RealNumber

Edit made on November 23, 2008 by DerekCouzens at 13:14:45

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WW

HEADERS_END

The "Real Numbers" are all the "locations" on the number line.

IMG:Realnumberline1.png

There are the rational numbers and the irrational numbers.

Interestingly, between every pair of rational numbers there are infinitely many irrational numbers,

and between every pair of irrational numbers there are infinitely many rational numbers.

The real numbers can be counter-intuitive.

The reals can be constructed via

* Cauchy Sequences

* Dedekind Cuts

* Infinite decimal expansions

* Continued Fractions